BUG file name

Hello, I have a bug on the remote display of files with accents, it is impossible to download, delete, rename, here is a screenshot, I am in version 5.11.3
What must be done to solve the problem ?
thank you in advance
Laurent

Please read through this:
https://winscp.net/eng/docs/faq_utf8

If it does not help, provide us with more information.